Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 59 − 88 by rounding each number to the nearest 10: ______
- Estimate 30 + 36 by rounding each number to the nearest 10: ______
- Estimate 21 − 70 by rounding each number to the nearest 10: ______
- Estimate 23 − 56 by rounding each number to the nearest 10: ______
- Estimate 81 + 55 by rounding each number to the nearest 10: ______
- Estimate 69 + 86 by rounding each number to the nearest 10: ______
- Estimate 53 − 29 by rounding each number to the nearest 10: ______
- Estimate 33 − 49 by rounding each number to the nearest 10: ______
- Estimate 54 + 48 by rounding each number to the nearest 10: ______
- Estimate 35 + 34 by rounding each number to the nearest 10: ______
- Estimate 45 + 21 by rounding each number to the nearest 10: ______
- Estimate 81 − 22 by rounding each number to the nearest 10: ______
- Estimate 77 − 48 by rounding each number to the nearest 10: ______
- Estimate 53 + 52 by rounding each number to the nearest 10: ______
- Estimate 24 − 68 by rounding each number to the nearest 10: ______
- Estimate 59 − 38 by rounding each number to the nearest 10: ______
- Estimate 81 + 37 by rounding each number to the nearest 10: ______
- Estimate 49 − 77 by rounding each number to the nearest 10: ______
- Estimate 44 + 28 by rounding each number to the nearest 10: ______
- Estimate 41 − 87 by rounding each number to the nearest 10: ______